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Rubber Sheathed Cable for General Purposes

300/500V Rubber Insulated Cable for Fixed Installation

300/500V Rubber Insulated Cable for Fixed Installation

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1. Standard

JB 1601-93


2. Application

This product is suitable for fixed power transmission lines of electrical and lighting equipment of rated voltage 300/500V and below.

3. Code, Description and Usage
Code Description Usage
BXF, BLXF Copper conductor rubber insulation and PCP or other equivalent synthetic elastomer sheath power cable
Aluminum conductor rubber insulation and PCP or other equivalent synthetic elastomer sheath power cable

Suitable for indoor and out door power linesespecially in cold area

BX, BLX Copper conductor rubber insulation and cotton yarn or other equivalent fiber braided power cable
Aluminum conductor rubber insulation and cotton yarn or other equivalent fiber braided power cable
Used for fixed installation, laid on or below the surface
BXR Copper conductor rubber insulation and cotton yarn or other equivalent fiber braided flexible power cable For indoor application where flexibility is required

4. Technical Particulars
Sectional Area
(mm2)
Conductor Strands/Dia.
(mm)
Max. Overall Dia.
(mm)
Max. Conductor DC Resistance at 20℃
(Ω/km)
B R BXF BLXF BXY BLXY BX BLX BXR Copper Aluminum
0.75 1/0.97 7/0.37 3.9 4.4 4.5 24.5
1.0 1/1.13 7/0.43 4.1 4.5 4.7 18.1  
1.5 1/1.38 7/0.52 4.4 4.8 5.0 12.1  
2.5 1/1.78 19/0.41 5.0 5.2 5.6 7.41 11.8
4 1/2.25 19/0.52 5.6 5.8 6.2 4.61 7.39
6 1/2.76 19/0.64 6.8 6.3 6.8 3.08 4.91
10 7/1.35 49/0.52 8.3 8.2 8.9 1.83 3.08
16 7/1.70 49/0.64 10.1 9.4 10.1 1.15 1.91
25 7/2.14 98/0.58 11.8 11.2 12.6 0.727 1.20
35 7/2.52 133/0.58 13.8 12.5 13.8 0.524 0.868
50 19/1.78 133/0.68 15.4 14.4 15.8 0.387 0.641
70
9/2.14 189/0.68 18.2 16.4 18.4 0.263 0.443
95 19/2.52 259/0.68 20.6 18.9 20.8 0.193 0.320
120 37/2.03 259/0.76 23.0 19.8 21.6 0.153 0.253
150 37/2.25 336/0.74 25.0 21.8 25.9 0.124 0.206
185 37/2.52 427/0.74 27.9 24.2 26.6 0.0991 0.164
240 61/2.25 427/0.85 31.4 27.4 30.2 0.0754 0.125

5. Technical Performance
1) The insulated cable core shall bear the sparking test specified in GB/T3048.9 or GB/3048.13. Sparking test is made only once to cables with sheath and insulation extruded at one time.
2) Sheath
a> The sheath of BXF, BLXF cable shall be 65℃ normal flame-retardant rubber of XH-01A type according to GB7594.5.
b> The sheath of BXY, BLXY cable shall be black low-density polythene.

c> The sheath shall be extruded tightly on the insulation and its surface shall be smooth with an even color.

3) The finished cable shall withstand the voltage test after immersion in water in the following table.

Test Conditions Unit Performance Index
Sample length m ≥10
Time of immersion in the water H ≥1
Water temperature 20±5
Applied voltage V 2000
Applied Time min ≥5

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